.mff-nav {
    position: relative;
    height: 100%;
}
.mff-nav__panel {
    box-sizing: border-box;
    height: 100%;
    overflow: auto;
    padding-top: 43px;
}
.mff-navbar {
    display: flex;
    position: absolute;
    top: 0;
    width: 100%;
    z-index: 500;
    background-color: #ffffff;
}

.mff-navbar:after {
    content: " ";
    position: absolute;
    left: 0;
    bottom: 0;
    right: 0;
    height: 1px;
    border-bottom: 1px solid #cccccc;
    transform-origin: 0 100%;
    transform: scaleY(0.5);
}

.mff-navbar__item {
    position: relative;
    display: block;
    text-align: center;
    font-size: 15px;
}

.mff-navbar__item_left {
    flex: 1;
    padding: 13px 0;
}

.mff-navbar__item_center {
    flex: 6;
}

.mff-navbar__item_right {
    flex: 1;
    padding: 13px 0;
}

.mff-navbar__item:after {
    content: " ";
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    border-right: 1px solid #cccccc;
    /* color: #cccccc; */
    transform: scaleX(0.5);
}